JPS62257223A - 送・受信信号分岐回路 - Google Patents
送・受信信号分岐回路Info
- Publication number
- JPS62257223A JPS62257223A JP10033986A JP10033986A JPS62257223A JP S62257223 A JPS62257223 A JP S62257223A JP 10033986 A JP10033986 A JP 10033986A JP 10033986 A JP10033986 A JP 10033986A JP S62257223 A JPS62257223 A JP S62257223A
- Authority
- JP
- Japan
- Prior art keywords
- operational amplifier
- signal
- terminal
- transmission
- line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Bidirectional Digital Transmission (AREA)
- Small-Scale Networks (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10033986A JPS62257223A (ja) | 1986-04-30 | 1986-04-30 | 送・受信信号分岐回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10033986A JPS62257223A (ja) | 1986-04-30 | 1986-04-30 | 送・受信信号分岐回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62257223A true JPS62257223A (ja) | 1987-11-09 |
| JPH0379893B2 JPH0379893B2 (enExample) | 1991-12-20 |
Family
ID=14271368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10033986A Granted JPS62257223A (ja) | 1986-04-30 | 1986-04-30 | 送・受信信号分岐回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62257223A (enExample) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5523683A (en) * | 1978-08-08 | 1980-02-20 | Nec Corp | Bidirectional relay unit |
| JPS60171884A (ja) * | 1984-02-16 | 1985-09-05 | Furukawa Electric Co Ltd:The | 双方向catvシステムの信号伝送方式 |
-
1986
- 1986-04-30 JP JP10033986A patent/JPS62257223A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5523683A (en) * | 1978-08-08 | 1980-02-20 | Nec Corp | Bidirectional relay unit |
| JPS60171884A (ja) * | 1984-02-16 | 1985-09-05 | Furukawa Electric Co Ltd:The | 双方向catvシステムの信号伝送方式 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0379893B2 (enExample) | 1991-12-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6064422A (en) | Telecommunication system for broadcast quality video transmission | |
| US5282157A (en) | Input impedance derived from a transfer network | |
| IE50880B1 (en) | Auto balancing duplexer for communication lines | |
| US4782507A (en) | Monolithically integratable circuit for measuring longitudinal and transverse currents in a two-wire transmission line | |
| US4065646A (en) | Power converter | |
| JPS62257223A (ja) | 送・受信信号分岐回路 | |
| CA2356952A1 (en) | A method and apparatus for an improved analog echo canceller | |
| US6757383B1 (en) | Compact cable balance network for echo-cancelling, and method for optimizing transhybrid loss and method and apparatus for circuit simulation | |
| JPH02202288A (ja) | テレビドアホン装置 | |
| US5828733A (en) | Method and arrangement for increasing data transmisssion rate over telephone cable | |
| EP1089450B1 (en) | Telephone line interface circuit | |
| US20010033651A1 (en) | Method and apparatus for connecting broadband voice and data signals to telephone systems | |
| EP1787456B1 (en) | Telephone line interface, side-tone attenuation circuit and method | |
| JPS6230546B2 (enExample) | ||
| JPS62241439A (ja) | 2線4線変換回路 | |
| JPS62210738A (ja) | 2線4線変換回路 | |
| JPS62210739A (ja) | 2線4線変換回路 | |
| JPS6146629A (ja) | 交流誘導雑音除去回路 | |
| AU681169B2 (en) | Line termination circuit | |
| JP3494468B2 (ja) | ハイブリッド回路及びこれを用いた装置 | |
| JPS584349Y2 (ja) | 4線−2線変換回路 | |
| JPS59231931A (ja) | 2線−4線変換回路 | |
| JPS59231930A (ja) | 2線−4線変換回路 | |
| SU1241487A1 (ru) | Абонентское соединительное устройство | |
| JPS58170232A (ja) | デイジタル端局装置における平衡回路網 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |